Fredrick Hahn has been a professional exercise trainer for more than 20 years. He is certified by the American Council on Exercise, and is president and cofounder of The National Council for Exercise Standards. In June of 1998, Fred founded and established Serious Strength™, Inc....
Fredrick Hahn has been a professional exercise trainer for more than 20 years. He is certified by the American Council on Exercise, and is president and cofounder of The National Council for Exercise Standards. In June of 1998, Fred founded and established Serious Strength™, Inc....
Strong Kids Healthy Kids
The Slow Burn Fitness Revolution